Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.12 kernel[0].
If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix this bug, please add the tag: 'kernel-bug-exists-upstream'. If you are unable to test the mainline kernel, for example it will not boot, please add the tag: 'kernel-unable-to-test-upstream'. Once testing of the upstream kernel is complete, please mark this bug as "Confirmed". Thanks in advance. [0] http://kernel.ubuntu.com/~kernel-ppa/mainline/v3.13-rc2-trusty/ ** Changed in: linux (Ubuntu) Importance: Undecided => Medium ** Changed in: linux (Ubuntu) Status: Confirmed => Incomplete -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1257145 Title: Laptop suspends immediately after waking up Status in “linux” package in Ubuntu: Incomplete Bug description: Often, when I open the laptop's lid, it wakes up and goes back to sleep after a few seconds. It doesn't always happen - maybe only 1/3 of the time. I can see the following in the dmesg output: Dec 2 18:30:48 dima-xps kernel: [39400.470282] ACPI: Waking up from system sleep state S3 And 20 seconds later: Dec 2 18:31:10 dima-xps kernel: [39404.911490] ACPI: Preparing to enter system sleep state S3 ProblemType: Bug DistroRelease: Ubuntu 13.10 Package: linux-image (not installed) ProcVersionSignature: Ubuntu 3.8.0-29.42-generic 3.8.13.5 Uname: Linux 3.8.0-29-generic x86_64 ApportVersion: 2.12.5-0ubuntu2.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC0: dima 1724 F.... pulseaudio Date: Mon Dec 2 18:33:28 2013 EcryptfsInUse: Yes HibernationDevice: RESUME=UUID=4e604b81-620a-41a0-bf0d-3e9678f1f5fc InstallationDate: Installed on 2013-04-05 (242 days ago) InstallationMedia: Kubuntu 12.10 "Quantal Quetzal" - Release amd64 (20121017.1) MachineType: Dell Inc. Dell System XPS L321X MarkForUpload: True ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/boot/vmlinuz-3.8.0-29-generic root=UUID=bac9562b-214b-4ea6-b574-43052611d85c ro quiet splash vt.handoff=7 RelatedPackageVersions: linux-restricted-modules-3.8.0-29-generic N/A linux-backports-modules-3.8.0-29-generic N/A linux-firmware 1.116 SourcePackage: linux UpgradeStatus: Upgraded to saucy on 2013-10-24 (39 days ago) dmi.bios.date: 04/09/2012 dmi.bios.vendor: Dell Inc. dmi.bios.version: A04 dmi.board.name: 085X6F dmi.board.vendor: Dell Inc. dmi.board.version: A00 dmi.chassis.type: 8 dmi.chassis.vendor: Dell Inc. dmi.chassis.version: 0.1 dmi.modalias: dmi:bvnDellInc.:bvrA04:bd04/09/2012:svnDellInc.:pnDellSystemXPSL321X:pvr:rvnDellInc.:rn085X6F:rvrA00:cvnDellInc.:ct8:cvr0.1: dmi.product.name: Dell System XPS L321X dmi.sys.vendor: Dell Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1257145/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp